./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2129979303 <...> DUID 00:04:a3:03:08:15:93:78:e3:1f:4c:1c:fb:56:e6:f5:4b:05 forked to background, child pid 4692 [ 30.502942][ T4693] 8021q: adding VLAN 0 to HW filter on device bond0 [ 30.513526][ T4693] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.36' (ECDSA) to the list of known hosts. execve("./syz-executor2129979303", ["./syz-executor2129979303"], 0x7ffca0287710 /* 10 vars */) = 0 brk(NULL) = 0x555555bac000 brk(0x555555bacc40) = 0x555555bacc40 arch_prctl(ARCH_SET_FS, 0x555555bac300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2129979303", 4096) = 28 brk(0x555555bcdc40) = 0x555555bcdc40 brk(0x555555bce000) = 0x555555bce000 mprotect(0x7f4b37840000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bac5d0) = 5025 ./strace-static-x86_64: Process 5025 attached [pid 5025] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5025] setsid() = 1 [pid 5025] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5025] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5025] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5025] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5025] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5025] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5025] unshare(CLONE_NEWNS) = 0 [pid 5025] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5025] unshare(CLONE_NEWIPC) = 0 [pid 5025] unshare(CLONE_NEWCGROUP) = 0 [pid 5025] unshare(CLONE_NEWUTS) = 0 [pid 5025] unshare(CLONE_SYSVSEM) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "16777216", 8) = 8 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "536870912", 9) = 9 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "1024", 4) = 4 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "8192", 4) = 4 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "1024", 4) = 4 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "1024", 4) = 4 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5025] close(3) = 0 [pid 5025] getpid() = 1 [pid 5025] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 e0 fb ff ff e8 02 39 90 fd 4c 8d ab a8 00 00 00 31 f6 4c [ 56.888112][ T5025] RSP: 0018:ffffc90003abfa28 EFLAGS: 00010293 [ 56.894230][ T5025] RAX: 0000000000000000 RBX: ffff88801e664500 RCX: 0000000000000000 [ 56.902256][ T5025] RDX: ffff8880245f9dc0 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 56.910254][ T5025] RBP: ffff88801f552000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 56.918313][ T5025] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff88801e664538 [ 56.926334][ T5025] R13: ffffc90003ae1000 R14: ffff88801f552460 R15: ffff88801e664500 [ 56.934353][ T5025] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 56.943321][ T5025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.949896][ T5025] CR2: 00007ffeb9e6a938 CR3: 000000007c246000 CR4: 00000000003506e0 [ 56.957906][ T5025] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.965912][ T5025] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.973931][ T5025] Call Trace: [ 56.977216][ T5025] [ 56.980137][ T5025] ? __warn+0xe6/0x390 [ 56.984250][ T5025] ? blkdev_put+0x562/0x8a0 [ 56.988778][ T5025] ? report_bug+0x2da/0x500 [ 56.993331][ T5025] ? handle_bug+0x3c/0x70 [ 56.997680][ T5025] ? exc_invalid_op+0x18/0x50 [ 57.002399][ T5025] ? asm_exc_invalid_op+0x1a/0x20 [ 57.007543][ T5025] ? blkdev_put+0x562/0x8a0 [ 57.012107][ T5025] ? blkdev_put+0x562/0x8a0 [ 57.016650][ T5025] ? blkdev_put+0x562/0x8a0 [ 57.021196][ T5025] free_journal_ram+0x421/0x5c0 [ 57.026110][ T5025] journal_release+0x276/0x630 [ 57.030890][ T5025] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 57.037606][ T5025] ? do_raw_spin_unlock+0x175/0x230 [ 57.042855][ T5025] reiserfs_put_super+0xe4/0x5c0 [ 57.047789][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 57.053111][ T5025] ? dispose_list+0x1e0/0x1e0 [ 57.057811][ T5025] ? fscrypt_destroy_keyring+0x1a/0x380 [ 57.063390][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 57.068699][ T5025] generic_shutdown_super+0x158/0x480 [ 57.074119][ T5025] kill_block_super+0x64/0xb0 [ 57.078812][ T5025] deactivate_locked_super+0x98/0x160 [ 57.084240][ T5025] deactivate_super+0xb1/0xd0 [ 57.088937][ T5025] cleanup_mnt+0x2ae/0x3d0 [ 57.093396][ T5025] task_work_run+0x16f/0x270 [ 57.098007][ T5025] ? task_work_cancel+0x30/0x30 [ 57.102925][ T5025] ? __put_net+0x61/0x70 [ 57.107195][ T5025] do_exit+0xadc/0x2a30 [ 57.111344][ T5025] ? lock_downgrade+0x690/0x690 [ 57.116246][ T5025] ? do_raw_spin_lock+0x124/0x2b0 [ 57.121294][ T5025] ? mm_update_next_owner+0x7b0/0x7b0 [ 57.126721][ T5025] ? spin_bug+0x1c0/0x1c0 [ 57.131087][ T5025] ? _raw_spin_unlock_irq+0x23/0x50 [ 57.136368][ T5025] do_group_exit+0xd4/0x2a0 [ 57.140890][ T5025] __x64_sys_exit_group+0x3e/0x50 [ 57.145949][ T5025] do_syscall_64+0x39/0xb0 [ 57.150385][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.156315][ T5025] RIP: 0033:0x7f4b377cf9c9 [ 57.160737][ T5025] Code: Unable to access opcode bytes at 0x7f4b377cf99f. [ 57.167778][ T5025] RSP: 002b:00007ffceade89f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 57.176246][ T5025] RAX: ffffffffffffffda RBX: 00007f4b37846330 RCX: 00007f4b377cf9c9 [ 57.184258][ T5025] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 57.192274][ T5025] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 57.200248][ T5025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b37846330 [ 57.208245][ T5025] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 57.216254][ T5025] [ 57.219266][ T5025] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 57.226526][ T5025] CPU: 1 PID: 5025 Comm: syz-executor212 Not tainted 6.4.0-rc6-next-20230616-syzkaller #0 [ 57.236401][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 57.246449][ T5025] Call Trace: [ 57.249725][ T5025] [ 57.252654][ T5025] dump_stack_lvl+0xd9/0x150 [ 57.257258][ T5025] panic+0x686/0x730 [ 57.261186][ T5025] ? panic_smp_self_stop+0xa0/0xa0 [ 57.266309][ T5025] ? show_trace_log_lvl+0x284/0x390 [ 57.271537][ T5025] ? blkdev_put+0x562/0x8a0 [ 57.276055][ T5025] check_panic_on_warn+0xb1/0xc0 [ 57.281007][ T5025] __warn+0xf2/0x390 [ 57.284914][ T5025] ? blkdev_put+0x562/0x8a0 [ 57.289439][ T5025] report_bug+0x2da/0x500 [ 57.293784][ T5025] handle_bug+0x3c/0x70 [ 57.297951][ T5025] exc_invalid_op+0x18/0x50 [ 57.302466][ T5025] asm_exc_invalid_op+0x1a/0x20 [ 57.307332][ T5025] RIP: 0010:blkdev_put+0x562/0x8a0 [ 57.312460][ T5025] Code: c0 74 08 3c 03 0f 8e 23 03 00 00 41 83 ac 24 f0 04 00 00 01 e9 2b fe ff ff e8 1a 39 90 fd 0f 0b e9 4b fc ff ff e8 0e 39 90 fd <0f> 0b e9 e0 fb ff ff e8 02 39 90 fd 4c 8d ab a8 00 00 00 31 f6 4c [ 57.332090][ T5025] RSP: 0018:ffffc90003abfa28 EFLAGS: 00010293 [ 57.338161][ T5025] RAX: 0000000000000000 RBX: ffff88801e664500 RCX: 0000000000000000 [ 57.346131][ T5025] RDX: ffff8880245f9dc0 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 57.354101][ T5025] RBP: ffff88801f552000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 57.362075][ T5025] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff88801e664538 [ 57.370047][ T5025] R13: ffffc90003ae1000 R14: ffff88801f552460 R15: ffff88801e664500 [ 57.378027][ T5025] ? blkdev_put+0x562/0x8a0 [ 57.382554][ T5025] ? blkdev_put+0x562/0x8a0 [ 57.387077][ T5025] free_journal_ram+0x421/0x5c0 [ 57.391947][ T5025] journal_release+0x276/0x630 [ 57.396720][ T5025] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 57.403408][ T5025] ? do_raw_spin_unlock+0x175/0x230 [ 57.408638][ T5025] reiserfs_put_super+0xe4/0x5c0 [ 57.413588][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 57.418892][ T5025] ? dispose_list+0x1e0/0x1e0 [ 57.423583][ T5025] ? fscrypt_destroy_keyring+0x1a/0x380 [ 57.429138][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 57.434437][ T5025] generic_shutdown_super+0x158/0x480 [ 57.439831][ T5025] kill_block_super+0x64/0xb0 [ 57.444521][ T5025] deactivate_locked_super+0x98/0x160 [ 57.449906][ T5025] deactivate_super+0xb1/0xd0 [ 57.454595][ T5025] cleanup_mnt+0x2ae/0x3d0 [ 57.459024][ T5025] task_work_run+0x16f/0x270 [ 57.463620][ T5025] ? task_work_cancel+0x30/0x30 [ 57.468561][ T5025] ? __put_net+0x61/0x70 [ 57.472825][ T5025] do_exit+0xadc/0x2a30 [ 57.476989][ T5025] ? lock_downgrade+0x690/0x690 [ 57.481871][ T5025] ? do_raw_spin_lock+0x124/0x2b0 [ 57.486918][ T5025] ? mm_update_next_owner+0x7b0/0x7b0 [ 57.492296][ T5025] ? spin_bug+0x1c0/0x1c0 [ 57.496646][ T5025] ? _raw_spin_unlock_irq+0x23/0x50 [ 57.501944][ T5025] do_group_exit+0xd4/0x2a0 [ 57.506460][ T5025] __x64_sys_exit_group+0x3e/0x50 [ 57.511488][ T5025] do_syscall_64+0x39/0xb0 [ 57.515916][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.521819][ T5025] RIP: 0033:0x7f4b377cf9c9 [ 57.526234][ T5025] Code: Unable to access opcode bytes at 0x7f4b377cf99f. [ 57.533249][ T5025] RSP: 002b:00007ffceade89f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 57.541666][ T5025] RAX: ffffffffffffffda RBX: 00007f4b37846330 RCX: 00007f4b377cf9c9 [ 57.549653][ T5025] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 57.557635][ T5025] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 57.565607][ T5025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b37846330 [ 57.573579][ T5025] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 57.581567][ T5025] [ 57.584740][ T5025] Kernel Offset: disabled [ 57.589142][ T5025] Rebooting in 86400 seconds..